IUPAC:5-[(1R,3aS,3bR,5aS,7S,9aR,9bS,11aR)-3a,5a,7-trihydroxy-9a-(hydroxymethyl)-11a-methyl-hexadecahydro-1H-cyclopenta[a]phenanthren-1-yl]-2H-pyran-2-one
IUPAC:5-[(1R,3aS,3bR,5aS,7S,9aR,9bS,11aR)-3a,5a,7-trihydroxy-9a-(hydroxymethyl)-11a-methyl-hexadecahydro-1H-cyclopenta[a]phenanthren-1-yl]-2H-pyran-2-one